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CVE-2020-35476 is an unauthenticated remote code execution vulnerability in OpenTSDB through version 2.4.0. The graph-rendering handler incorporates the attacker-controlled yrange parameter into a gnuplot script written to a temporary location, which is subsequently processed by a shell-driven gnuplot workflow. The attempted protection of rejecting backticks was insufficient, permitting command-injection constructs that result in execution of attacker-supplied operating-system commands.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit module targeting OpenTSDB (versions 2.4.0 and below) for unauthenticated remote code execution via a command injection vulnerability in the 'yrange' parameter (CVE-2020-35476). The exploit works by first verifying the target is OpenTSDB and determining its version via the '/api/version' endpoint. It then fetches available metrics and aggregators, which are required for constructing a valid request. The exploit injects a payload into the 'yrange' parameter of a graph plotting request, which is executed by the server as root. Payloads can be arbitrary shell commands, reverse shells, or Meterpreter sessions, and are delivered using base64 encoding to avoid character escaping issues. The module is weaponized, supporting both in-memory and dropper payloads, and is designed for unauthenticated exploitation over the network. The only file present is a Ruby Metasploit module, and all logic is contained within this file.
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3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A remote-code-execution vulnerability in OpenTSDB 2.4.0, demonstrated by executing curl to an SSRF canary.
An earlier OpenTSDB vulnerability referenced as the incomplete prior fix related to the newer CVE-2023-25826 issue; the older yrange-based payload is described as rejected on 2.4.1.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.